החיפוש שביצעת - ((communication cohesion) or (communication control)) fourth dimension hashing spaces - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication cohesion » communication collections, communication cost, communication apprehension
communication control » communication concepts, communication culture, communication channel
dimension hashing » dimension using, dimension making, dimension rating
fourth dimension » four dimensions, fifth dimension, fourth session
hashing spaces » bathing spaces, hamming spaces, changing spaces

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